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【免费下载】高考真题【福建】2025年高考福建卷化学高考真题解析(参考版)-A4答案卷尾word版含解析学生版教师版

  • 2026-01-17 22:07:18
【免费下载】高考真题【福建】2025年高考福建卷化学高考真题解析(参考版)-A4答案卷尾word版含解析学生版教师版

2025年福建省普通高中学业水平选择性考试

化学试题

(考试时间:75分钟;考试满分:100分)

可能用到的相对原子质量:H-1C-12O-16S-32K-39Fe-56

第I卷(选择题共40分)

一、选择题:本题共10个小题,每小题4分,共40分。在每小题给出的四个选项中,只有一项是符合题目要求的。

1.福建科研团队用掺杂非铁催化剂实现温和条件下热催化合成氨。下列说法错误的是

A.含有共价键B.Fe在元素周期表p区

C.氨的工业合成是人工固氮D.氨是制备多种含氮化合物的基础原料

2.头孢菌素抑制转肽酶的机制如图。下列说法错误的是

A.头孢菌素能发生酯化反应B.头孢菌素虚框内有5个杂化碳原子

C.产物实框内有2个手性碳原子D.中最多有6个原子共平面

3.某电解质阴离子的结构如图。X、Y、Z、Q、R为原子序数依次增大短周期元素,下列说法错误的是

A.键角:B.电负性:

C.最简单氢化物沸点:D.X、Y、R均可与Z组成标况下为气态的化合物

4.以磷化工品的副产物石灰渣(主要含亚磷酸钙和少量氢氧化钙)为原料,制备阻燃剂亚磷酸铝的工艺流程如图。下列说法错误的是

A.“沉淀1”可用于实验室制备

B.“调pH”时应将溶液调至酸性

C.“沉铝”时存在反应:

D.电解“滤液1”可制得Na和

5.在25℃、光照条件下,产生氯自由基,引发丙烷一氯代反应:

i.

ii.

反应体系中产物n(2-氯丙烷):n(1-氯丙烷)。下列说法错误的是

A.活化能:反应i<反应ii

B.丙烷中的键能:

C.当丙烷消耗2 mol时上述反应体系的焓变为

D.相同条件下正丁烷与发生一氯代反应,产物n(2-氯丁烷):n(1-氯丁烷)

6.探究对银镜反应的影响,实验步骤如下:

下列说法错误的是

A.棕黑色悬浊液中固体主要为B.“试剂X为1.0 mL蒸馏水

C.黑色悬浊液1与2中固体的主要成分不同D.实验后可用稀硝酸洗去银镜

7.在25℃下测定溶度积,所需饱和溶液的配制步骤如下:

下列说法或操作错误的是

A.洗涤时须洗净

B.“洗涤”后所得固体无需干燥

C.“溶解”后须静置至固液分层、上层澄清

D.“过滤2”中用蒸馏水润湿滤纸,使其贴紧漏斗内壁

8.分子有超长碳碳—键(C1-C2键长180.6 pm),被氧化过程如图。设为阿伏加德罗常数的值。下列说法错误的是

A.杂化碳原子数为

B.的未成对电子数为

C.杂化碳原子数为

D.完全氧化为,生成的阴离子数为

9.一种无膜电合成碳酸乙烯酯()的工作原理如图。下列说法正确的是

A.电源a极为负极

B.反应中的物质的量不断减少

C.总反应为

D.“反应Ⅱ”为

10.常温下,在总浓度始终为溶液中,铬元素以形式存在,随pH变化如图。下列说法正确的是

A.曲线Ⅰ代表的组分为

B.P点:

C.的平衡常数

D.Q点:

第Ⅱ卷(非选择题共60分)

二、非选择题:本题共4个小题,共60分。

11.从炼油厂焙烧炭渣(主要含炭、,以及少量)中提取钼的工艺流程如下:

已知:均易溶于水;草酸()在水中溶解度见下表。

温度℃

20

40

60

80

溶解度(g/100 g)

9.5

21.5

44.3

84.5

(1)“酸浸”中钼和钒分别转化为。100℃下各元素浸出率与草酸浓度的关系如图。

①最佳草酸浓度为

中钒的价电子排布式为

③生成的化学方程式为

(2)“酸转化”中加浓硫酸后,过滤前的操作为;“滤渣2”为(填名称)。

(3)“沉钼”中,HMT(结构如图)在溶液中转变为,一个个可形成氢键的位点;沉淀为

(4)“碱浸转化”中,在碱作用下分解出,后者转化为的化学方程式为;“滤液2”中可循环利用的物质为

(5)关于该工艺流程,下列说法错误的是。(填标号)

a.“气体1”为COb.“滤渣1”主要含炭、NiO和

c.“滤液1”含d.粗产品含

12.导电材料二硫代铁酸钾()晶体呈紫色,不溶于水,可被盐酸酸解。

I.的制备

将7.0 g铁粉、48.0 g硫粉和过量充分混合后,900℃焙烧1.5小时。反应方程式:

(1)反应所需的容器为。(填标号)

(2)将反应所得混合物置入水中煮沸,溶液呈深绿色(因可溶性杂质),并有淡黄色(填化学式)浮渣,倾去上层溶液及浮渣;重复多次直至上层溶液(填现象)。过滤、洗涤和干燥后得到粗产品15.9 g,产率为%(保留至整数位)。

Ⅱ.的纯度测定(平行测定3次,以1次为例)

(3)准确称取粗产品m g于锥形瓶中,加入浓盐酸加热至紫色固体完全溶解,有臭鸡蛋味的有毒气体放出,溶液中铁以形式存在。酸解反应的离子方程式

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  1. CONNECT:[ UseTime:0.000663s ] mysql:host=127.0.0.1;port=3306;dbname=no_yeyulingfeng;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000658s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000694s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.010297s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000749s ]
  6. SELECT * FROM `set` [ RunTime:0.004167s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000847s ]
  8. SELECT * FROM `article` WHERE `id` = 461659 LIMIT 1 [ RunTime:0.012699s ]
  9. UPDATE `article` SET `lasttime` = 1768659019 WHERE `id` = 461659 [ RunTime:0.009506s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.002792s ]
  11. SELECT * FROM `article` WHERE `id` < 461659 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.001149s ]
  12. SELECT * FROM `article` WHERE `id` > 461659 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000482s ]
  13. SELECT * FROM `article` WHERE `id` < 461659 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.001944s ]
  14. SELECT * FROM `article` WHERE `id` < 461659 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.025923s ]
  15. SELECT * FROM `article` WHERE `id` < 461659 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.020913s ]
0.169310s